1 Extra-large Plant Rings for Outdoor Plants: The diameter of the plant rings is approximately 11.8inches/30cm. The larger diameter can store more water and guide it to the root area, solving the problem of water loss everywhere and ensuring that the plant roots can obtain sufficient water. Excellent Protection: Plant rings protects plants and fruits from the damage of lawn mowers. The circular surround design forms a clear boundary at the plant planting site, preventing the loss of fertilizers and soil, and stopping the invasion of slugs, roundworms and other crawling pests. Reliable Materials: The round edge plant ring is made of high-quality polypropylene material, which is safe and reliable. It can adapt to different outdoor weather conditions and can also be reused. The beautiful green color will also become a beautiful sight in your garden and vegetable plot! Easy to Use: The bottom of plant rings for outdoor plants is designed with a sawtooth shape, making it convenient to insert into the soil. No hammering is required, just press down the round edge and it can be easily installed in the desired position. Super Value Set: You will receive 6 12-inch planting rings, which are ideal gardening accessories. There is a sufficient quantity to meet your daily use and replacement needs, suitable for saplings, flowers, shrubs, vegetables and other plants.